13749680

Names of 13749680

• Cardinal: 13749680 can be written as Thirteen million, seven hundred forty-nine thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.374968 × 10⁷

Factors of 13749680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 628

Divisors of 13749680

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 35 40 43 56 70 80 86 112 140 172 215 280 301 344 430 560 571 602 688 860 1142 1204 1505 1720 2284 2408 2855 3010 3440 3997 4568 4816 5710 6020 7994 9136 11420 12040 15988 19985 22840 24080 24553 31976 39970 45680 49106 63952 79940 98212 122765 159880 171871 196424 245530 319760 343742 392848 491060 687484 859355 982120 1374968 1718710 1964240 2749936 3437420 6874840 13749680
• Sum of all divisors σ(n): 37449984
• Sum of proper divisors (its aliquot sum) s(n): 23700304
• 13749680 is an abundant number, because the sum of its proper divisors (23700304) is greater than itself. Its abundance is 9950624

Bases of 13749680

• Binary: 110100011100110110110000₂
• Hexadecimal: 0xD1CDB0
• Base-36: 86PBK

Squares and roots of 13749680

• 13749680 squared (13749680²) is 189053700102400
• 13749680 cubed (13749680³) is 2599427879223967232000
• The square root of 13749680 is 3708.0560945055
• The cube root of 13749680 is 239.5691343485

Scales and comparisons

• 13,749,680 seconds is equal to 22 weeks, 5 days, 3 hours, 21 minutes, 20 seconds.
• To count from 1 to 13,749,680 would take you about thirty-four weeks!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 13749680 cubic inches would be around 20 feet tall.

Recreational maths with 13749680

• 13749680 backwards is 08694731
• The number of decimal digits it has is: 8
• The sum of 13749680's digits is 38
• More coming soon!